Escape to Witch Mountain (walt D

Some terrifying experience has blocked Tony and Tia's memory of the past. But because they have supernatural powers, they are sure that they come from another world---and that their people still exist somewhere. Then Tony and Tia find that they must escape from men who want to use their special powers for evil. They begin a desperate search to find their true home---which leads them to the strange and mysterious Witch Mountain. (from back cover)